Finding the Fourth Proportional to 418,002.01, 576,846.16 and 227,016.77

Step by Step Solution

1. Step 1: Write the proportion equation
   418,002.01 : 576,846.16 = 227,016.77 : x
2. Step 2: Convert to fraction form
   418,002.01/576,846.16 = 227,016.77/x
3. Step 3: Cross multiply
   418,002.01x = 576,846.16 × 227,016.77
4. Step 4: Simplify right side
   418,002.01x = 130,953,752,030.10
5. Step 5: Solve for x
   x = 130,953,752,030.10/418,002.01
6. Step 6: Final answer
   x = 313,284.98